'===========================================================================
' Subject: VGA PAINTBRUSH W/MOUSE SUPPORT    Date: 07-19-97 (14:43)       
' Author:  Michael G. Stewart                Code: QB, QBasic, PDS        
' Origin:  mikegs@juno.com                 Packet: EGAVGA.ABC
'===========================================================================
DECLARE FUNCTION LongToString$ (L&)
DECLARE SUB painting ()
DECLARE SUB drawcurrent (types%, col%)
DECLARE SUB drawscreen ()
DECLARE SUB center (row%, text$)
DECLARE SUB button (x1%, y1%, x2%, y2%, UpDown%)
DECLARE SUB intro ()
DEFINT A-Z
DECLARE SUB getmouse (mode%)
DECLARE SUB initmouse ()
DECLARE SUB mouse (OnOff%)
DECLARE SUB readdata ()
DECLARE FUNCTION Interupt% (Num%, ax%, bx%, cx%, dx%)
DIM SHARED xcoord%, ycoord%, click%
DIM SHARED ml%(45)
CONST lines = 1
CONST boxes = 2
CONST pix = 3
CONST circles = 4
readdata
initmouse
getmouse mode%
drawscreen
painting









MS.Data:               '<!--- WARNING - Do not change this... ---!>
 DATA 55,8b,ec,56,57
 DATA 8b,76,0c,8b,04 
 DATA 8b,76,0a,8b,1c
 DATA 8b,76,08,8b,0c
 DATA 8b,76,06,8b,14
 DATA cd,21         
 DATA 8b,76,0c,89,04 
 DATA 8b,76,0a,89,1c
 DATA 8b,76,08,89,0c
 DATA 8b,76,06,89,14
 DATA 5f,5e,5d       
 DATA ca,08,00       
 DATA #

SUB button (x1, y1, x2, y2, UpDown)
   SELECT CASE UpDown
      CASE 1 'unpushed
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 8
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 8
      CASE 2 'pushed
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 8
         LINE (x1, y1)-(x1, y2 + 1), 8
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 15
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 15
      CASE 3 '[]
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 0
         LINE (x1 + 2, y1 + 2)-(x2 - 2, y2 - 2), 8, B
         LINE (x1 + 2, y1 + 2)-(x2 - 2, y1 + 1), 8, BF
      CASE 4 '_
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 8
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 8
         LINE (x1 + 2, y2 - 2)-(x2 - 2, y2 - 1), 8, BF
      CASE 5 'X
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 8
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 8
         LINE (x1 + 4, y1 + 3)-(x1 + 7, y1 + 6), 8, BF
         LINE (x1 + 3, y1 + 2)-(x1 + 4, y1 + 3), 8, BF
         LINE (x1 + 2, y1 + 1)-(x1 + 3, y1 + 2), 8, BF
         LINE (x1 + 7, y1 + 2)-(x1 + 8, y1 + 3), 8, BF
         LINE (x1 + 8, y1 + 1)-(x1 + 9, y1 + 2), 8, BF
         LINE (x1 + 3, y1 + 6)-(x1 + 4, y1 + 7), 8, BF
         LINE (x1 + 2, y1 + 7)-(x1 + 2, y1 + 8), 8, BF
         LINE (x1 + 7, y1 + 6)-(x1 + 8, y1 + 7), 8, BF
         LINE (x1 + 8, y1 + 7)-(x1 + 9, y1 + 8), 8, BF
      CASE 6 '\/
         a = (x2 - x1) / 2
         B = (y2 - y1) / 2
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 8
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 8
         LINE (x1 + a, y2 - 2)-(x1 + 2, y1 + 2), 8
         LINE (x1 + a, y2 - 2)-(x2 - 2, y1 + 2), 8
         LINE (x1 + 2, y1 + 2)-(x2 - 2, y1 + 2), 8
         PAINT (x1 + 5, y1 + 5), 8, 8
      CASE 50 'X disabled
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 8
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 8
         LINE (x1 + 4, y1 + 3)-(x1 + 7, y1 + 6), 15, BF
         LINE (x1 + 3, y1 + 2)-(x1 + 4, y1 + 3), 15, BF
         LINE (x1 + 2, y1 + 1)-(x1 + 3, y1 + 2), 15, BF
         LINE (x1 + 7, y1 + 2)-(x1 + 8, y1 + 3), 15, BF
         LINE (x1 + 8, y1 + 1)-(x1 + 9, y1 + 2), 15, BF
         LINE (x1 + 3, y1 + 6)-(x1 + 4, y1 + 7), 15, BF
         LINE (x1 + 2, y1 + 7)-(x1 + 2, y1 + 8), 15, BF
         LINE (x1 + 7, y1 + 6)-(x1 + 8, y1 + 7), 15, BF
         LINE (x1 + 8, y1 + 7)-(x1 + 9, y1 + 8), 15, BF
      CASE 30 '[] Disabled
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 0
         LINE (x1 + 2, y1 + 2)-(x2 - 2, y2 - 2), 15, B
         LINE (x1 + 2, y1 + 2)-(x2 - 2, y1 + 1), 15, BF
      CASE 40 '_ Disabled
         LINE (x1, y1)-(x2, y2), 7, BF
         LINE (x1, y1)-(x2 - 1, y1), 15
         LINE (x1, y1)-(x1, y2 + 1), 15
         LINE (x1, y2 + 1)-(x2 + 1, y2 + 1), 8
         LINE (x2 + 1, y2 + 1)-(x2 + 1, y1), 8
         LINE (x1 + 2, y2 - 2)-(x2 - 2, y2 - 1), 15, BF
 
   END SELECT


END SUB

SUB center (row%, text$)
    LOCATE row%, 46 - LEN(text$) / 2
    PRINT text$;

END SUB

SUB drawcurrent (types%, col%)
LINE (5, 5)-(45, 45), 7, B
LINE (5, 55)-(45, 95), 7, B
LINE (55, 5)-(95, 95), 7, B
LINE (55, 5)-(95, 45), 7, B
IF types% = lines THEN LINE (5, 5)-(45, 45), 0, B
IF types% = boxes THEN LINE (5, 55)-(45, 95), 0, B
IF types% = pix THEN LINE (55, 55)-(95, 95), 0, B
IF types% = circles THEN LINE (55, 5)-(95, 45), 0, B
LINE (65, 107)-(102, 145), 7, BF
LINE (65, 107)-(102, 145), 0, B
PAINT (66, 108), col%, 0
END SUB

SUB drawscreen
SCREEN 12: CLS
button 1, 1, 50, 50, 1
button 1, 52, 50, 100, 1
button 52, 1, 100, 50, 1
button 52, 52, 100, 100, 1
button 102, 1, 639, 100, 1
button 112, 11, 629, 90, 2
LINE (113, 12)-(628, 89), 0, BF
col% = 0
FOR a% = 117 TO 639 STEP 35
 button a%, 102, a% + 33, 150, 1
 LINE (a% + 5, 107)-(a% + 28, 145), col%, BF
 LINE (a% + 5, 107)-(a% + 28, 145), 0, B
 col% = col% + 1
NEXT a%
button 1, 152, 638, 478, 1
button 8, 158, 632, 472, 2
button 60, 102, 107, 150, 1
LINE (10, 160)-(630, 470), 15, BF
LINE (10, 10)-(40, 40), 0
LINE (10, 62)-(40, 90), 0, BF
LINE (75, 75)-(76, 76), 0, B
CIRCLE (75, 25), 15, 0
COLOR 14
LOCATE 8: PRINT "Current"
LOCATE 9: PRINT "Color >"
center 2, "QPAINT by MIKE STEWART"
center 4, "Click With Right Mouse Button To Clear"
center 5, "Press Any Key To Exit"
END SUB

SUB getmouse (mode%)

  R% = Interupt%(&H33, 3, bx%, cx%, dx%)

  click% = bx%

  IF mode% THEN
   xcoord% = cx% / 16 + 1
   ycoord% = dx% / 16 + 1
  ELSE
   xcoord% = cx%
   ycoord% = dx%
  END IF


END SUB

SUB initmouse

'Calls mouse interrupts...

 R% = Interupt%(&H33, 0, bx%, cx%, dx%)

END SUB

FUNCTION Interupt% (Num%, ax%, bx%, cx%, dx%)

 IF ml%(0) = 0 THEN   'Error, no MS.Data statment...
 BEEP
 BEEP
 END
 END IF

 DEF SEG = VARSEG(ml%(0))
 POKE VARPTR(ml%(0)) + 26, Num%

 CALL ABSOLUTE(ax%, bx%, cx%, dx%, VARPTR(ml%(0)))

 Interupt% = ax%


END FUNCTION

SUB mouse (OnOff%)

 IF OnOff% = 0 THEN OnOff% = 2 ELSE OnOff% = 1
 R% = Interupt%(&H33, OnOff%, bx%, cx%, dx%)

END SUB

SUB painting
mouse 1
types% = pix
col% = 0
drawcurrent types%, col%
 DO WHILE INKEY$ = ""
  getmouse 0
  IF click% = 2 THEN mouse 0: LINE (10, 160)-(630, 470), 15, BF: mouse 1
  IF click% = 1 THEN
   IF xcoord% >= 1 AND xcoord% <= 50 THEN
    IF ycoord% < 50 THEN types% = lines
    IF ycoord% >= 50 AND ycoord% < 100 THEN types% = boxes
    drawcurrent types%, col%
   ELSEIF xcoord% >= 50 AND xcoord% <= 100 THEN
    IF ycoord% < 50 THEN types% = circles
    IF ycoord% >= 50 AND ycoord% < 100 THEN types% = pix
    drawcurrent types%, col%
   END IF
   IF ycoord% > 101 AND ycoord% < 151 THEN
    IF xcoord% > 117 AND xcoord% < 142 THEN col% = 0
    IF xcoord% > 144 AND xcoord% < 179 THEN col% = 1
    IF xcoord% > 181 AND xcoord% < 206 THEN col% = 2
    IF xcoord% > 208 AND xcoord% < 243 THEN col% = 3
    IF xcoord% > 245 AND xcoord% < 280 THEN col% = 4
    IF xcoord% > 282 AND xcoord% < 307 THEN col% = 5
    IF xcoord% > 309 AND xcoord% < 344 THEN col% = 6
    IF xcoord% > 346 AND xcoord% < 382 THEN col% = 7
    IF xcoord% > 384 AND xcoord% < 418 THEN col% = 8
    IF xcoord% > 420 AND xcoord% < 455 THEN col% = 9
    IF xcoord% > 457 AND xcoord% < 492 THEN col% = 10
    IF xcoord% > 494 AND xcoord% < 529 THEN col% = 11
    IF xcoord% > 531 AND xcoord% < 566 THEN col% = 12
    IF xcoord% > 568 AND xcoord% < 602 THEN col% = 13
    IF xcoord% > 604 AND xcoord% < 639 THEN col% = 14
    drawcurrent types%, col%
   END IF
   IF xcoord% > 10 AND xcoord% < 630 AND ycoord% > 160 AND ycoord% < 470 THEN
    x1% = xcoord%: y1% = ycoord%
    IF types% = pix THEN PSET (x1% - 1, y1% - 1), col%
    IF types% <> pix THEN
     DO
      getmouse 0
      IF click% <> 1 THEN EXIT DO
     LOOP
    END IF
    x2% = xcoord%: y2% = ycoord%
    IF types% = lines THEN LINE (x1%, y1%)-(x2%, y2%), col%
    IF types% = boxes THEN LINE (x1%, y1%)-(x2%, y2%), col%, BF
    IF types% = circles THEN
     x% = ABS(x2% - x1%)
     y% = ABS(y2% - y1%)
     CIRCLE (x1% + (x% / 2), y1% + (y% / 2)), x% / 2, col%
    END IF
   END IF
  END IF
 LOOP
END SUB

SUB readdata

'Reads machine language thingy MS.Data...

RESTORE MS.Data
 DEF SEG = VARSEG(ml%(0))

 FOR I% = 0 TO 99
  READ Octet$
  IF Octet$ = "#" THEN EXIT FOR
  POKE VARPTR(ml%(0)) + I%, VAL("&H" + Octet$)
 NEXT I%

END SUB